🎉 APRIL SPECIAL — Use code APRIL10 for 10% OFF · Automatically applied at checkout!
Direct Peptide Research
HomeProductsHGH 191AA(Somatropin)
HGH 191AA(Somatropin)

HGH 191AA(Somatropin)

HGH

Select Strength:

€29per vial

💰 Buy the kit of 10 for €169 — save 42%

🚚 €20 shipping · FREE on orders over €100

Add Bacteriostatic Water?

Required for reconstituting lyophilized peptides

99%+ Purity

Third-Party Tested

Fast Shipping

⚠️ RESEARCH USE ONLY

Strictly for laboratory research purposes. Not intended for human consumption.

Overview

HGH 191AA (Somatropin) is a recombinant form of human growth hormone comprising 191 amino acids — identical to the pituitary-derived hormone. It is the gold-standard research compound for studying growth hormone physiology, anabolic signaling, metabolic regulation, and age-related hormone decline.

Mechanism of Action

  • ▸Binds GH receptor on target cells, activating JAK2-STAT5b pathway
  • ▸Stimulates IGF-1 production in the liver (primary anabolic mediator)
  • ▸Direct lipolytic effects on adipose tissue via hormone-sensitive lipase
  • ▸Promotes nitrogen retention and protein synthesis in skeletal muscle
  • ▸Stimulates chondrocyte proliferation for bone and cartilage growth
  • ▸Modulates glucose metabolism — GH is counter-regulatory to insulin

Key Research Findings

  • ▸Demonstrated reversal of age-related body composition changes
  • ▸Significant lean mass accretion and fat mass reduction in GHD models
  • ▸Improved bone mineral density in growth hormone deficiency studies
  • ▸Enhanced wound healing and tissue repair across multiple models
  • ▸Neuroprotective effects documented in CNS injury and aging studies
  • ▸191-amino acid sequence provides optimal receptor binding vs. 192AA variants

Research Applications

HGH 191AA is the reference compound for growth hormone research including GH deficiency, body composition, bone density, metabolic regulation, aging, and IGF-1 axis studies.

Reconstitution

Add 1–2 mL bacteriostatic water slowly along vial wall. Swirl gently — never vortex. Allow 10 minutes for full dissolution.

Storage

Lyophilized: –20°C for up to 24 months. Reconstituted: 2–8°C, use within 14 days for optimal potency.

Purity & Testing

≥99% by HPLC · Sequence-confirmed 191AA · Endotoxin tested

⚠️ Research Use Only

All information provided is for scientific research purposes only. This product is not intended for human consumption, medical use, diagnosis, or treatment. For use by qualified researchers only. By purchasing, you confirm compliance with all applicable laws and regulations.